Furnace Types TRIZ Cases

A high strength steel sheet uses a ferrite microstructure and fine precipitates to enhance tensile strength while resolving blanking workability trade-offs.

Local heat treatment transforms steel microstructure to tempered martensite, enabling defect-free self-piercing rivets between high-strength steel and aluminum.

Molybdenum concentrates on prior-austenite grain boundaries in tempered martensite, preventing rupture at 95% yield strength in sour environments.

Stabilizing equiaxed retained austenite reduces hardness differences with ferrite, resolving the trade-off between high strength and hole expandability.

Specific Al/Ti/Si ratios in ferritic stainless steel improve brazeability while maintaining corrosion resistance against exhaust condensate.

High silicon austempered steel prevents bainite formation during heat treatment, resolving incomplete austenitization while maintaining ductility.

Spring steel composition achieves hardness exceeding 55HRC through controlled cooling and heat treatment.

Precise carbon, nickel, chromium, and molybdenum ranges in quenched track link steel resolve the wear versus peel resistance trade-off.

Segment quenching and flip cases to balance batch productivity with uniform cooling, preventing strain without jigs.

Pulsed laser irradiation creates uniform grooves on grain-oriented electrical steel sheets, maintaining magnetic domain refinement after heat treatment.

Composite inclusions promote intracrystalline acicular ferrite formation in thick steel plates.

Multi-zone temperature control determines quenching timing based on regression-derived TTA diagrams, preventing defects from uneven heat distribution.

Precise carbon and nitrogen control during tempering prevents coarse carbide formation, maintaining corrosion resistance while achieving required mold hardness.

Nozzles spray air toward the inner surface of martensitic stainless steel pipes to enhance cooling efficiency.

Single-stage bainite transformation stabilizes wire drawing characteristics by ensuring uniform cementite dispersion and reducing hardening rates.

Granular bainitic ferrite and dispersed niobium precipitates strengthen hot rolled steel sheets while maintaining ductility.

Infrared heating raises friction material temperatures above 350°C while cooled air prevents the metallic support from overheating electronic systems.

Quenching and tempering processes control surface layer hardness to prevent sulfide stress corrosion cracking without compromising yield strength.

Forging low nitrogen steel at 350 to 600 C creates a ferrite pearlite texture that boosts fatigue strength without expensive vanadium or heat treatments.

Optimized carbonitride precipitation stabilizes grain boundaries, eliminating chromium depletion and stringer flaws in welded joints.

Processing strain applied during casting refines austenite grains, preventing surface cracking in high-manganese steel slabs.

A high-strength seamless steel pipe maintains yield strength through controlled alloy composition and refined microstructure.

Upright rail cooling uses natural weight to prevent vertical and lateral curvature without complex equipment.

Martensite-austenite steel composition enables thick plate production with uniform hardness.

Phase transition annealing disrupts crystal grain alignment to eliminate seam defects while maintaining high production efficiency.

Shielding plate with protruded portions guides eddy currents along closed loops to reduce temperature unevenness across conductive sheets.

Controlled hot-rolling of austenitic high-manganese steel eliminates longitudinal shape deviations, removing the need for additional correction operations.

Continuous annealing enables thin gauge enamelling steel production with optimized boron and nitrogen ratios.

A specialized alloy material achieves high yield strength through precise chemical composition control.

A method for producing high-Si austenitic stainless steel controls heating temperature to prevent scab formation.

Dual annealing produces a composite ferrite-martensite-austenite structure that resolves the tensile strength versus yield ratio trade-off.

A steel sheet heat treatment method using controlled quenching and partitioning to achieve a specific martensite and bainite microstructure.

Ferritic stainless steel with controlled aluminum and titanium concentrations forms a protective oxide layer on the surface.

Repeated austenite to ferrite structural conversions eliminate copper hot shortness defects in high alloy slabs.

Re-rolling and tempering cold rolled steel sheets achieve high yield strength while maintaining ductility and weldability.

A control unit calculates heating duct volume flow using heat sensor temperature differences for continuous furnace state detection.

Seamless steel pipe with controlled carbon equivalent and tempered martensite microstructure.

Controlled microstructure with fine lath-shaped residual austenite traps hydrogen, preventing embrittlement while maintaining ductility.

Hot processing in an inert atmosphere prevents oxidation scale formation while refining crystal grains below 30 micrometers for industrial-scale manufacturing.

Precise chemical composition control resolves the contradiction between high tensile strength and weldability, enabling excellent low-temperature toughness.

Optimized copper content and hot rolling parameters suppress surface cracking while maintaining hot-forming capability for pressure vessel applications.

A solid steel flywheel rotor uses vacuum-arc-remelted 300M alloy to achieve monolithic construction with high yield strength.

Heating the atmosphere around a steel object enables uniform surface temperature and prevents processing gas decomposition during solid-solutionization.

Controlled surface texture in a hot-rolled steel sheet suppresses inner bending cracks while maintaining tensile strength above 780 MPa.

Ferritic stainless steel uses controlled silicon and aluminum to form protective oxide layers at high temperatures.

Cyclic austempering reduces austempering time and energy consumption by alternating temperatures instead of lengthy isothermal holds.

Single pulse welding followed by tempering creates a tempered martensite region that reduces stress concentration at the nugget end to improve peel strength.

Conductive temperature treatment plates resolve sub-optimal intermediate cooling by allowing targeted thermal processing of specific regions.

Precise boron segregation in steel plates resolves the contradiction between high tensile strength and heat-affected zone weldability.

A low-temperature steel plate achieves high impact toughness through controlled microstructure composition.